TW201716048A - Retractable ramp mechanism of a welcab - Google Patents

Abstract

A retractable ramp mechanism of a welcab includes a position base, a ramp board, a linkage rod assembly, a damper and two adjuster. One end of the linkage rod assembly is connected to the position base and includes a first rod and a second rod. One end of the first rod is pivotally connected to the position base, the other end is pivotally connected to one end of the second rod. One end of the damper is connected to the position base, the other end is pivotally connected to the first rod. The two adjusters are disposed at two sides of the ramp board, and one of the adjusters is pivotally connected to one end of the second rod. Each of the adjusters is further connected to a driving cable to control the ramp board to move simultaneously, so when retracting the ramp board, motions are consistent and labor-saving.

Description

Fuxi car ramp retracting mechanism

The invention relates to a ramp retracting mechanism, in particular to a ramp retracting mechanism of a Fuzhou vehicle which is more labor-saving.

People with general mobility problems often use electric scooters or wheelchairs as mobile transportation vehicles. Because the scooter or wheelchair is powered by electricity or manpower, it travels slowly and safely, which is very suitable for people with reduced mobility. However, the scooter or wheelchair is slower and is not suitable for driving on the road, and it is impossible to travel far. Therefore, most people with disabilities or those with reduced mobility need to pick up and drop off when they go out.

Especially in the process of getting on and off the vehicle, due to the height difference between the interior of the vehicle and the ground, people with disabilities often need assistance from others to get there. The market has developed a vehicle that can assist wheelchairs to get on and off. The practice is to install a ramp board attached to the ground after the rear door is opened, so that the disabled can assist the wheelchair or assist the electric traction by installing it on the vehicle. The device drives and enters the rear compartment of the vehicle along the ramp board.

Since the structure of the current ramp plate is mostly connected by a plurality of folding plates, and only one supine device is arranged on one side, the slope plate is turned over, which is easy to cause single side force, and the supine device is relatively easy to wear. In addition, in the process of placing or accommodating the slope plate, the single supine device makes the operation of the slope plate inconsistent, causing the slope plate to be carried out or moved in from the vehicle, which is quite laborious and causes inconvenience in use.

One of the objects of the present invention is to provide a ramp storage and retracting mechanism for a welfare car in which the ramp plate can achieve good operational coordination, consistent motion, and less labor during the folding process.

To achieve the above objective, the present invention provides a ramp retracting mechanism for a welfare car, which is mounted on a vehicle body and includes a positioning seat, a ramp plate, a link assembly, a damper and two supine components. The positioning seat is mounted on the vehicle body, and the ramp plate is pivotally connected to the vehicle body. The connecting rod assembly is connected at one end to the positioning seat and includes a first connecting rod and a second connecting rod. One end of the first link is pivotally connected to the positioning seat, and the other end is pivotally connected to one end of the second link. One end of the damper is pivotally connected to the positioning seat, and the other end is pivotally connected to the first link or the second link. Each of the supine components is respectively disposed on two sides of the ramp board, and one of the supine components is pivotally connected to one end of the second link, and each of the supine components is further connected with a transmission line that can synchronously control the operation of the ramp board.

The invention also has the following effects: the pair of supine components are arranged on both sides of the ramp board, and during the swinging of the ramp board, the weight of the ramp board can be evenly distributed on the supine components, so that the supine components are not easily worn out. The life expectancy increases. The user pulls the release lever disposed on the main supine assembly and linkages from the supine assembly through the transmission line, thereby synchronously controlling the operation of moving the ramp board from the vehicle body or moving in, which is labor-saving and convenient.

The detailed description and technical content of the present invention are set forth in the accompanying drawings.

As shown in FIGS. 1 to 10, the present invention provides a ramp storage mechanism 100 for a welfare car 10 that is mounted on a floor 40 of a compartment 30 after a vehicle body 20. The ramp retracting mechanism 100 shown in FIG. 10 is preferably mounted to the rear end of the rear compartment 30. However, in another embodiment, the ramp retracting mechanism 100 may also be mounted to the undercarriage 40 of the side door of the vehicle body 20. , change as needed.

As shown in FIG. 1 and FIG. 4, the ramp retracting mechanism 100 of the present embodiment includes a positioning base 110, a ramp plate 120, a link assembly 130, a damper 150, and two supine assemblies 170, 180. The positioning base 110 is mounted on the vehicle body 20 (ie, the vehicle floor 40), and one end of the ramp plate 120 is also pivotally connected to the vehicle body 20. In the embodiment shown in FIG. 2, the ramp board 120 includes a main board 122 and a slave board 124. Two sides of the main board 122 are further provided with two side rails 126, so that the board 124 can be slidably connected to each side slip. Track 126.

In addition to being able to reach an extended length, the ramp plate 120 of the present embodiment can further overlap the slave board 124 and the main board 122 by providing the side rails 126 to save space. In addition, the holding portion 128 is further provided with a holding portion 128. In the embodiment, the holding portion 128 is preferably a through hole, and is opened on the side of the plate 124 away from the vehicle body 20 for the user's hand. It is easy to operate by penetrating.

One end of the connecting rod assembly 130 is coupled to the positioning base 110 and includes a first connecting rod 132 and a second connecting rod 134. One end of the first link 132 is pivotally connected to the positioning seat 110 near the interior of the vehicle body 20, and the other end is pivotally connected to the pivoting portion 136 of the second link 134 to enable the first link 132 to rotate relative to the positioning base 110. The swing. One end of the second link 134 is pivotally disposed on the pivoting portion 136, and is pivotally connected to the pivoting portion 136 by, for example, a pin (not labeled) passing through the second link 134. The other end of the second link 134 is pivotally connected to one side of the ramp plate 120 by one of the supine assemblies. Therefore, the second link 134 can swing relative to the first link 132, and the ramp plate 120 can also pivot at a different angle relative to the first link 132.

One end of the damper 150 is pivotally connected to the positioning seat 110 outside the vehicle body 20, and the other end is pivotally connected to the first link 132 or the second link 134. Referring to FIG. 5 and FIG. 6 together, the damper 150 includes a pressure rod (such as a gas pressure rod or a hydraulic rod) having a piston rod 152 and a pressure cylinder 154 to position the ramp plate 120 in a deployed position. . In other words, one end of the piston rod 152 is movably coupled to the pressure cylinder 154, and the other end of the piston rod 152 is pivotally connected between the first link 132 and the second link 134 (ie, the pivot portion 136). When the piston rod 152 is retracted to the cylinder 154, the ramp plate 120 can be operated in the deployed position, as shown in Figures 9 and 10, which will be described later.

Each of the supine components is respectively disposed on two sides of the ramp plate 120, wherein a supine assembly (ie, from the supine assembly 180) is pivotally connected to one end of the second link 134, and each of the supine assemblies is further connected to a synchronously controllable ramp plate 120. Drive line 140. Each of the supine assemblies as shown includes a main supine assembly 170 and a secondary supine assembly 180, each of which includes a retainer 190, a adjuster 200 secured to the retainer 190, and a supine linkage coupled to the adjuster 200. The group 210 and a coil spring 220 interlocked with the regulator 200.

The structure of the main and slave supine components 170, 180 is substantially the same, that is, the supine link group 210 includes a first link 212 and a second link 214 that are interlocked with each other, and the first link 212 has one end and the regulator 200 The main shaft 216 is pivotally connected and the other end is coupled to the second link 214. The coil spring 220 is disposed on the main shaft 216 protruding from the adjuster 200. The two ends of the coil spring 220 are respectively fixed by fixed or movable plurality of fixing pieces 202 assembled to the adjuster 200 or the retainer 190 to be respectively fixed. The holders 190 on both sides of the ramp plate 120 are rotatable in accordance with the rotation of the respective supine assemblies 170, 180 (each regulator 200).

In the embodiment shown in FIGS. 5 and 6, the main supine assembly 170 further includes a release lever 172 and a fulcrum 174 fixed to the retainer 190. The supine assembly 180 includes a passive lever 182 and is fixed to the retainer. A point 190 of 190. Thus, the release lever 172 and the passive lever 182 can push or pull the second link 214 according to its fulcrums 174, 184, thereby manipulating the various regulators 200 to actuate. The adjuster 200 is mainly used to store or release an elastic pre-force generated by the coil spring 220, and each adjuster 200 is prior art and will not be described in detail.

Both ends of the transmission line 140 are respectively coupled with the release lever 172 and the passive lever 182 to position the ramp plate 120 in a folded position. In the present embodiment, both ends of the transmission line 140 are preferably connected to the end of the first link 212 of the main supine assembly 170 and one end of the passive lever 182 from the supine assembly 180, so that the main supine assembly 170 can pass through the transmission line. The 140 is controlled in conjunction with the supine assembly 180, thereby allowing the ramp plate 120 to be freely swivelled (eg, manually positioning the vehicle seat). In yet another embodiment, the ends of the drive line 140 can also be coupled to one end of the release lever 172 of the primary supine assembly 170 and from one end of the passive lever 182 of the supine assembly 180, as desired.

In the embodiment shown in FIGS. 5 and 6, the folding position includes rotating the ramp plate 120 into the vehicle body 20 so that the ramp plate 120 is in an upright state (ie, the ramp plate 120 and The position of the underbody 40 of the rear trunk 30 is vertical or the position of a lying state (i.e., the ramp board 120 overlaps the floor 40 of the rear compartment 30). During the operation of the ramp plate 120 in the retracted position (erected), since the internal pressure of the cylinder 154 of the damper 150 continues to generate thrust against the piston rod 152, the ramp plate 120 thus produces the same straightening direction. The force, therefore, achieves a more labor-saving effect in the process of folding the operating ramp plate 120.

In the embodiment shown in Fig. 7, it is the position (flat) of the other folded state of the ramp board 120. When the user pulls the release lever 172 and pushes the ramp plate 120, the drive line 140 simultaneously rotates the main, from the adjuster 200 of the supine assembly 170, 180. At this time, the coil spring 220 is compressed by the ramp plate 120 in the lying position and generates a reverse elastic preload, and is positioned to be placed on the floor panel 40 of the rear trunk 30 through the positioning piece 202. Therefore, the ramp plate 20 does not occupy the storage space of the rear trunk 30 at the folded position.

Referring to FIG. 8 , FIG. 9 and FIG. 10 together, when it is necessary to transport an object (such as a cart or a wheelchair) from the outside to the rear trunk 30, the release lever 172 is pulled and the backrest components are synchronously controlled through the transmission line 140. 170, 180 actuate to release the reverse elastic preload of each of the regulators 200 on the coil spring 220. At this time, the forward elastic preload generated by the coil springs 220 of the ramp plate 120 in the compressed state allows the user to be more labor-saving when the swinging ramp plate 120 is erected in a rotational position, and because of the transmission line 140 The various supine assemblies 170, 180 are controlled to operate to make the operating ramp plate 120 more coordinated and consistent.

When the user continues to rotate the ramp plate 120 to the deployed position outside the vehicle body 20, the ramp plate 120, the first link 132 and the second link 134 are all deployed until the end of the ramp plate 120 abuts On the ground, the object can thus smoothly enter the rear trunk 30 along the ramp board 120. During operation of the ramp plate 120 from the erected state to the deployed position, the piston rod 152 of the damper 150 is pressed against the first link 132 and the second link 134 to move toward the pressure cylinder 154, and the pressure cylinder 154 will continue to generate thrust to the piston rod 154 due to its internal pressure (ie, the opposing force with respect to the direction in which the ramp plate 120 is deployed), causing the piston rod 152 to slowly contract into the cylinder 154, causing the ramp plate 120 to slowly descend. Can improve the safety of the operation.

After the article has been transported, the ramp plate 120 is operated in the above-mentioned collapsed position and placed in the rear compartment 30 of the vehicle body 20 in a folded manner. For related operation actions, please refer to the foregoing embodiment, and details are not described herein. Thus, the present invention utilizes a pair of supine assemblies 170, 180 disposed on either side of the ramp plate 120. During the pivoting of the ramp plate 120, the weight of the ramp plate 120 can be evenly distributed across the supine assemblies 170, 180. The respective supine components 170, 180 are not easily worn out, and the life is increased. In addition, the user pulls the release lever 172 connected to the main supine assembly 170 and linkages from the supine assembly 180 through the transmission line 140, thereby synchronously controlling the operation of the ramp plate 120 to be carried out or carried in from the vehicle body 20, which is labor-saving and convenient.

In the above, the embodiments disclosed herein are to be considered as illustrative of the invention and not to limit the invention. The scope of the present invention is defined by the scope of the appended claims, and the legal equivalents thereof are not limited to the foregoing description.

10‧‧‧Folk car

20‧‧‧ body

30‧‧‧After car

40‧‧‧Car floor

100‧‧‧Ramp Retracting Agency

110‧‧‧ Positioning Block

120‧‧‧ ramp board

122‧‧‧ motherboard

124‧‧‧From the board

126‧‧‧Side rails

128‧‧‧ grips

130‧‧‧ Connecting rod assembly

132‧‧‧ first link

134‧‧‧second link

136‧‧‧ pivotal department

140‧‧‧Drive line

150‧‧‧damper

152‧‧‧ piston rod

154‧‧‧pressure cylinder

170‧‧‧Main supine assembly

172‧‧‧ release lever

174, 184‧‧ fulcrum

180‧‧‧From the supine assembly

182‧‧‧ Passive rod

190‧‧‧Cage

200‧‧‧Regulator

202‧‧‧Location film

210‧‧‧Suit-up connecting rod set

212‧‧‧first connecting rod

214‧‧‧second connecting rod

216‧‧‧ spindle

220‧‧‧ coil spring

1 is a perspective view showing a ramp receiving and retracting mechanism of a welfare car of the present invention.

2 is an exploded exploded view of the ramp retracting mechanism of the welfare car of the present invention.

3 is a partially exploded view of the linkage assembly, damper and slave supine assembly of the present invention.

4 is a perspective view showing the main supine assembly of the present invention.

Figure 5 is a side elevational view of the main supine assembly of the present invention disposed on a ramp plate.

Figure 6 is a side elevational view of the present invention from a supine assembly disposed on a ramp plate.

Figure 7 is a side elevational view of the operating release lever of the present invention positioning the ramp plate in the collapsed position.

Figure 8 is a side elevational view of the operating release lever of the present invention causing the ramp plate to follow the supine assembly.

Figure 9 is a side elevational view of the damper of the present invention positioning the ramp plate in the deployed position.

FIG. 10 is a view showing an embodiment of the present invention applied to a welfare car.

100‧‧‧Ramp Retracting Agency

110‧‧‧ Positioning Block

120‧‧‧ ramp board

130‧‧‧ Connecting rod assembly

132‧‧‧ first link

134‧‧‧second link

140‧‧‧Drive line

150‧‧‧damper

152‧‧‧ piston rod

154‧‧‧pressure cylinder

170‧‧‧Main supine assembly

180‧‧‧From the supine assembly

Claims (10)

A ramp retracting mechanism of a Fuzhou vehicle is mounted on a vehicle body, comprising: a positioning seat mounted on the vehicle body; a ramp board pivotally connected to the vehicle body; and a connecting rod assembly, one end connected to the positioning a first connecting rod and a second connecting rod, the first connecting rod is pivotally connected to the positioning seat at one end, and the other end is pivotally connected to one end of the second connecting rod; a damper, One end is pivotally connected to the positioning seat, the other end is pivotally connected to the first connecting rod or the second connecting rod; and two supine components, each of the supine components are respectively disposed on two sides of the ramp board, and one of the supine components One end of the second link is pivotally connected, and each of the supine assemblies is further connected to a drive line that can synchronously control the operation of the ramp plate. The ramp retracting mechanism of the welfare vehicle of claim 1, wherein each of the supine components comprises a main supine assembly and a slave supine assembly, and the main supine assembly controls the slave supine assembly through the transmission line to position The ramp plate is in a collapsed position. The ramp retracting mechanism of the welfare vehicle according to claim 1 or 2, wherein each of the supine assemblies respectively includes a retainer, a adjuster fixed to the retainer, and a supine link group connected to the adjuster And a coil spring that is interlocked with the regulator. The ramp retracting mechanism of the welfare vehicle according to claim 2, wherein the main supine assembly further comprises a release lever, the slave supine assembly includes a passive lever, the two ends of the transmission line respectively corresponding to the release lever and the passive The rods are linked. The ramp storage mechanism of the welfare vehicle according to claim 2, wherein the folding position comprises a position where the ramp plate is in an upright state or a position in a lying state. The ramp storage mechanism of the welfare vehicle of claim 3, wherein the coil spring is capable of generating an elastic preload force on the ramp plate. The ramp retracting mechanism of the welfare car according to claim 3, wherein each of the retainers is fixed to both sides of the ramp plate and rotates following the rotation of the supine components. The ramp storage mechanism of the welfare vehicle of claim 1, wherein the ramp board comprises a main board and a slave board, the main board includes two side slide rails, and the slave board is slidably connected to each side slip rail. The ramp retracting mechanism of the welfare car according to claim 1, wherein the damper comprises a pressure bar having a piston rod and a pressure cylinder to position the ramp plate in an unfolded position. The ramp retracting mechanism of the forbidden vehicle of claim 8, wherein one end of the piston rod is movably coupled to the cylinder, and the other end of the piston rod is pivotally connected to the first link and the second link. between.